<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Vue 测试实例 - 菜鸟教程(runoob.com)</title>
    <script src="https://cdn.bootcss.com/vue/2.2.2/vue.min.js"></script>
    <style>
        /* 可以设置不同的进入和离开动画 */
        /* 设置持续时间和动画函数 */
        .fade-enter-active, .fade-leave-active {
            transition: opacity 2s
        }

        .fade-enter, .fade-leave-to /* .fade-leave-active, 2.1.8 版本以下 */
        {
            opacity: 0
        }
    </style>
</head>
<body>
<div id="databinding">
    <button v-on:click="show = !show">点我</button>
    <transition name="fade">
        <p v-show="show" v-bind:style="styleobj">动画实例</p>
    </transition>
</div>
<script type="text/javascript">
    var vm = new Vue({
        el: '#databinding',
        data: {
            show: true,
            styleobj: {
                fontSize: '30px',
                color: 'red'
            }
        },
        methods: {}
    });
</script>
</body>
</html>